@name yt {
  @b timeLine {
    @e row {
      padding: 4px 0;
      border-bottom: 1px solid #f1f1f1;
    }

    @e desc {
      font-size: 16px;
      color: #333333;
      line-height: 36px;
    }

    @e time {
      margin-top: 4px;
      line-height: 34px;
      font-size: 14px;
      color: #666666;
    }

    @e wrapper {
      position: relative;
      box-sizing: border-box;
      padding-left: 40px;
      background-color: #ffffff;

      &::before, &::after {
        content: ' ';
        display: inline-block;
        position: absolute;
        left: 20px;
        width: 1px;
        background-color: var(--disabled_color);
      }

      &::before {
        top: 0;
        height: 20px;
      }

      &::after {
        top: 20px;
        bottom: 0;
      }
    }

    @e core {
      position: absolute;
      display: inline-block;
      top: 16px;
      left: 16px;
      border-radius: 50%;
      width: 8px;
      height: 8px;
      z-index: 10;
      background-color: var(--disabled_color);

      @when current {
        top: 12px;
        left: 10px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: var(--fill_color);
        border: 4px solid var(--plain_border_color);
      }
    }

    .yt-timeLine-wrapper {
      &:first-of-type {
        &::before {
          display: none;
        }
      }
      &:last-of-type {
        &::after {
          display: none;
        }
      }
    }
  }
}
